{"asset": {        "version": "0.0",        "gltfUpAxis": "Y"    },    "geometricError":100.000000,"root": {        "transform": [-0.943830,-0.330430,0.000000,0.000000,0.184474,-0.526926,0.829650,0.000000,-0.273565,0.781404,0.560866,0.000000,-1746676.470549,4989154.687965,3557079.531508,1],    "boundingVolume": {    "region": [1.907508,0.595374,1.907603,0.595489,0.000000,8.817056]},"geometricError": 100.000000,        "refine": "REPLACE",        "content": {        "uri": "./tile/4/12/4_1310971.b3dm"}}}